package com.wechet.controller;

import com.wechet.config.ProjectUrl;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.api.impl.WxMpServiceImpl;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.net.URLEncoder;

/**
 * Created by sc on 2017/9/24.
 */
@RestController
@RequestMapping("/wechat")
@Slf4j
public class WechatController {

    @Autowired
    private WxMpService wxMpService;


    @Autowired
    private ProjectUrl projectUrl;

    @GetMapping("/authorize")
    public String authorize(@RequestParam("returnUrl")String returnUrl){
        String url = projectUrl.getWechatMpAuthorize();
        String result = wxMpService.oauth2buildAuthorizationUrl(url,WxConsts.OAUTH2_SCOPE_USER_INFO,null);
        log.info("微信网页授权获取code{}",result);
        //重定向
        return "redirect:"+result;

    }

    @GetMapping("/userInfo")
    public String userInfo(@RequestParam("code")String code,@RequestParam("state") String returnUrl){
       WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
        try {
           wxMpOAuth2AccessToken =  wxMpService.oauth2getAccessToken(code);

        } catch (WxErrorException e) {
            e.printStackTrace();
        }
        String openid = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:"+returnUrl+"?openid="+openid;

    }


    @GetMapping("/qrAuthorize")
    public String getqrcode(@RequestParam("returnUrl") String returnUrl) {
        String url = projectUrl.getWechatOpenAuthorize();
        String directUrl = wxMpService.buildQrConnectUrl(url, WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN, URLEncoder.encode("UTF-8"));
        return "redirect:" + returnUrl;
    }

    @GetMapping("/qrUserInfo")
    public String qrUserinfo(@RequestParam("code") String code, @RequestParam("state") String returnUrl) {
        WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
        try {
            wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);

        } catch (WxErrorException e) {
            e.printStackTrace();
        }
        String openid = wxMpOAuth2AccessToken.getOpenId();
        return "redirect:" + returnUrl + "?openid=" + openid;
    }
}
